#include <stdio.h>

int (*int_cmp)(const void* x,const void* y)
{
	int z=(*(int*)x-*(int*)y); 
	return z;
}

int main()
{
	int i=0;
	int a[]={1,3,5,7,9,2,4,6,0};
	qsort(a,sizeof(a)/sizeof(0),sizeof(a[0]),int_cmp);
	for(i=0;i<=8;i++)
	printf("%d",a[i]);
	return 0;
}
